Fixed version of Jekyll dependency

jekyll-theme-lcsb-frozen-components.gemspec

@@ -12,5 +12,5 @@ Gem::Specification.new do |spec|
 
   spec.files         = `git ls-files -z`.split("\x0").select { |f| f.match(%r!^(_plugins|LICENSE|README)!i) }
 
-  spec.add_runtime_dependency "jekyll", "~> 4.0"
+  spec.add_runtime_dependency "jekyll", "> 3.0"
 end